| Middlesex to Wichita (Kansas) | 1,236.81 mi (1,990.45 km) |
| Middlesex to Wichita Falls (Texas) | 1,394.32 mi (2,243.95 km) |
| Middlesex to Wickliffe (Ohio) | 369.68 mi (594.95 km) |
| Middlesex to Wildomar (California) | 2,380.86 mi (3,831.62 km) |
| Middlesex to Wildwood (Florida) | 919.18 mi (1,479.28 km) |
| Middlesex to Wildwood (Missouri) | 870.74 mi (1,401.32 km) |
| Middlesex to Wilkes-Barre (Pennsylvania) | 85.51 mi (137.62 km) |
| Middlesex to Wilkinsburg (Pennsylvania) | 282.31 mi (454.33 km) |
| Middlesex to Williamsburg (Virginia) | 257.30 mi (414.09 km) |
| Middlesex to Williamsport (Pennsylvania) | 140.17 mi (225.58 km) |
| Middlesex to Williamstown (New Jersey) | 66.27 mi (106.66 km) |
| Middlesex to Willimantic (Connecticut) | 142.91 mi (229.99 km) |
| Middlesex to Williston (North Dakota) | 1,520.74 mi (2,447.40 km) |
| Middlesex to Willmar (Minnesota) | 1,084.22 mi (1,744.89 km) |
| Middlesex to Willoughby (Ohio) | 367.01 mi (590.65 km) |
